Seiko Cal. 6237 - 904

The Seiko 6237-904 represents an important milestone in Seiko's 1971 lineup. Powered by the 6237 caliber with 24j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-dc45ec005aa2]

Also known as: Turtle, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

Related Models

• Seiko 5683-592
• Seiko 3854-348
• Seiko 6397-186
• Seiko 6694-200
• Seiko 5626-923
• Seiko 6282-200
• Seiko 7126-576
• Seiko 5637-707
• Seiko 7165-293
• Seiko 6185-163
• Seiko 4530-305
• Seiko 4477-956