Seiko Cal. 6645 - 734

This Solar model from 1975 features a 37mm Two-Tone case. Powered by the 6645 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-103d2fa4afbf]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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