Seiko Cal. 3877 - 186

This Solar model from 1971 features a 44mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-6b6a92cbe4ed]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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