Seiko Cal. 5637 - 358

The 5637-358 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-21af4a440368]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

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