Seiko Cal. 5689 - 761

This Solar model from 1975 features a 44mm Stainless Steel case. Powered by the 5689 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-a0858f5db93d]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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