Seiko Cal. 6180 - 437

The Seiko 6180-437 represents an important milestone in Seiko's 1977 lineup. Powered by the 6180 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-67d60a98b1f9]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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