Seiko Cal. 6137 - 350

The Seiko 6137-350 represents an important milestone in Seiko's 1971 lineup. Powered by the 6137 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-27e6b32e529c]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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