Seiko Cal. 3870 - 912

This Solar model from 1986 features a 41mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-9c984a6ba59a]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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