Seiko Cal. 4436 - 176

This Spring Drive model from 1971 features a 36mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-6b76cf73eedf]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1971

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