Seiko Cal. 3865 - 537

This Solar model from 1976 features a 39mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-7ca371d577fd]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

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