Seiko Cal. 6670 - 137

The Seiko 6670-137 represents an important milestone in Seiko's 1989 lineup. Powered by the 6670 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a3f3ae6ee108]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1989

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