Seiko Cal. 4594 - 650

This Spring Drive model from 1988 features a 36mm Two-Tone case. Powered by the 4594 caliber with 19j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-f8320603f294]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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